The inner steel containment dome has been hoisted into place for at Unit 3 of the Sanmen nuclear power station in Zhejiang province, eastern China.
Developer China National Nuclear Corporation (CNNC) said the move means that civil construction of the main internal structure of the containment building of Unit 3 “has been basically completed”.
The dome, a steel component that weighs about 788 tonnes, was installed on 6 September, CNNC said.